Russia's Prokhorov to buy Kerimov's stake in Uralkali - sources
November 18, 2013 at 02:54 AM EST
MOSCOW, Nov 18 (Reuters) - Russian tycoon-turned-politician Mikhail Prokhorov plans to buy 21.75 percent stake in the world's largest potash miner Uralkali from the company's main owner, Suleiman Kerimov, two sources familiar with the discussions, told Reuters on Monday.